Acid cosmetic, dermatological and pharmaceutical agents

The invention provides acidic cosmetic, pharmaceutical and dermatological agents comprising at least one copolymer obtainable by free-radical copolymerization of A) acryloyld imethyltaurine and/or acryloyldimethyltaurates, B) if desired, one or more further olefinically unsaturated, noncationic comonomers, C) if desired, one or more olefinically unsaturated, cationic comonomers, D) if desired, one or more silicon-containing components, E) if desired, one or more fluorine-containing components, F) if desired, one or more macromonomers, G) the copolymerization taking place if desired in the presence of at least one polymeric additive, H) with the proviso that component A) is copolymerized with at least one component selected from one of the groups D) to G).